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Removing all non-numeric characters from string in Python
How do we remove all non-numeric characters from a string in Python?
7 Answers
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postgres: upgrade a user to be a superuser?
In postgres, how do I change an existing user to be a superuser? I don't want to delete the existing user, for various reasons.
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Removing multiple files from a Git repo that have already been deleted from disk
I have a Git repo that I have deleted four files from using rm ( not git rm ), and my Git status looks like this:
29 An...
How do you create a remote Git branch?
I created a local branch which I want to 'push' upstream. There is a similar question here on Stack Overflow on how to track a newly created remote branch.
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Linux command or script counting duplicated lines in a text file?
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Send it through sort (to put adjacent items together) then uniq -c to give counts, i.e.:
sort filename | uniq -c
and to get that list in sorted order (by frequency) you can
sort filename | uniq -c | sort -nr
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How can I get Express to output nicely formatted HTML?
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answered Sep 29 '11 at 1:05
Jonathan JulianJonathan Julian
11.7k22 gold badges3737 silver badges4646 bronze badges
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Check if an element is a child of a parent
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If you are only interested in the direct parent, and not other ancestors, you can just use parent(), and give it the selector, as in target.parent('div#hello').
Example: http://jsfiddle.net/6BX9n/
function fun(evt) {
var tar...
How to get the first column of a pandas DataFrame as a Series?
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UPDATE
If you're reading this after June 2017, ix has been deprecated in pandas 0.20.2, so don't use it. Use loc or iloc instead. See comments and other answers to this question.
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How to get the current directory in a C program?
...e directory that the program is started from. This program is written for UNIX computers. I've been looking at opendir() and telldir() , but telldir() returns a off_t (long int) , so it really doesn't help me.
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How to open emacs inside bash
I'm using Ubuntu 11.10. When I type command "emacs" in terminal, it opens emacs as a seperate window. How can I open it inside the terminal, like nano editor?
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